baber/WOPTO huggingface dataset:
Patent GB-1282906-A (GB)
Title: Alkali metal hypochlorite solutions
Inventor: PEACOCK WILLIAM LINDSAY
IPC: D06L4/23
Filed: 1969-09-12
Abstract: 1282906 Stabilizing hypochlorites JEYES GROUP Ltd 12 Oct 1970 [12 Sept 1969] 45203/69 Heading C1A An aqueous solution of an alkali metal hypochlorite, in soft water containing less than 40 p.p.m. by weight of Ca and/or Mg and less than 1 p.p.m. by weight of Fe, is stabilized by addition of an alkali metal heptonate i.e., an alkali metal 1,2,3,4,5,6-hexa hydroxy hexane-1-carboxylate, or boroheptonate preferably in amounts of about 1 part for 4000 parts by weight of solution. The term "alkali metal boroheptonate" denotes a mixture of the alkali metal heptonate with either boric acid or an alkali metal metaborate.
Patent GB-983989-A (GB)
Title: Improvements in or relating to filtering
IPC: B01D33/00
Filed: 1961-12-18
Abstract: 983,989. Centrifugal strainer separators ; gas filters. SUGAR MANUFACTURERS' SUPPLY CO. Ltd., and S. G. SMART. Feb. 19, 1963 [Dec. 18, 1961], No. 45349/61. Headings B1D and B1T. A filter drum is rotated during filtration at a speed sufficient to throw particles off its exterior by centrifugal action but suction is applied to its interior to ensure fluid flow inwards. As shown, liquid containing solids is supplied under pressure at 2. Filtrate is withdrawn through a line 6 to a tank 7 by suction applied at 10, filtrate being extracted from tank 7 by a pump 8. The filter element 3, of porous, e.g. sintered, material, is rotated by a motor 16. Particles centrifuged off the element settle in the region 11 and may be withdrawn through a valve 12.
Patent GB-1320532-A (GB)
Title: Cushioned track and vehicle mounted thereon
IPC: B62D55/14
Filed: 1970-09-24
Abstract: 1320532 Vehicle wheels CATERPILLAR TRACTOR CO 24 Sept 1970 [15 Dec 1969] 45489/70 Heading B7C  A tread band comprises an endless track assembly 62 mounted around an annular resilient deformable spacer 61, e.g. a tyre 63, having side portions 66, 67 with an outer surface portion 69 and being rotatable about its central axis X, the track consisting of coupled ground-engaging rigid shoes 71 forming a substantially circumferentially continuous surface in contact with the outer surface 69 and an annular articulated link assembly 80 comprising a plurality of pivotally interconnected links positioned adjacent each of the side portions 66, 67 and extending radially inwards towards the axis X. In the embodiment shown the link assembly 80 on each side of the tyre comprises a plurality of laterally spaced first and second pairs of links 85-86, 87-88, Fig. 10, end portions 89, 90 of each first pair overlapping the end portions 91, 92 of each adjacent second pair, the pairs being pivotally interconnected by a pin 93 mounted in a bush 94, The embodiment of Figs. 19-21 (not shown) shows the links interconnected by a blade (89b) and fork (91b) assembly. Each shoe 71 is bolted to a respective four links and has first and second lugs 95, 96 each of which overlaps a complementary lug on the adjacent shoe to form a substantially continuous radially inner surface 74 which bears against and compresses the tyre surface 69. Overlapping lugs 95, 96 may be sealed to one another to protect the spacer 61 against dirt and damage. The radially inner surfaces of the shoes may be coated with rubber or plastics. The shoes 71 may be formed with greasers (101-104) of various depths and inclinations (Figs. 25-29, not shown). To prevent lateral movement of the shoes relative to the tyre the links may be formed with radially divergent side pieces (85a, Fig. 17, not shown) to engage complementary shaped side portions (66, 67) of the tyre, or the shoes may have radially inwardly extending lugs (99, Fig. 18, not shown) to engage the side portions (66, 67). In the embodiment of Fig. 22 (not shown) there is a third link assembly (80) and a dual-tyre spacer (61). The spacer 61 may be hollow with a chamber 70 filled with a gas, a liquid, a resilient filling agent or plastics foam.
Patent GB-1495478-A (GB)
Title: Crystallization of polycarbonates
IPC: C08G64/40
Filed: 1975-11-06
Abstract: 1495478 Polycarbonate compositions UNIBRA SA 6 Nov 1975 [14 Nov 1974] 46084/75 Heading C3R A crystallizable composition comprises a polycarbonate (C), a compatible plasticizer (P), and a finely-divided nucleating agent (N) being a salt of a metal (M) and an at least tetracarboxylic acid (A). (A) may be a polymer having lateral COOH groups, e.g. a copolymer of ethene, propene, or styrene and (meth)- acrylic acid. (M) may be, e.g. Li, Na, K, Ca, or Mg. (N) may be of size, e.g. 0À1-10 Ám. (P) may be an ester or benzene mono-, di-, or tricarboxylic acid or of a polyhydroxy alcohol; it may be an ester of an alcohol not comprising a #-hydrogen atom. (C) may be a bisphenol polycarbonate. By wt. based on the composition there may be 2À5-20% (P) and 0À01-20% (N). The composition may be shaped and heated at above its vitreous transition temperature, and may then be annealed at 140-200‹ C. Reference has been directed by the Comptroller to Specifications 1,439,964 and 1,426,524.
Patent GB-1415112-A (GB)
Title: Splicing machine with a threading bar
IPC: B65H19/18
Filed: 1973-10-03
Abstract: 1415112 Splicing webs AGFA-GEVAERT AG 3 Oct 1973 [4 Oct 1972] 46159/73 Heading B8R A machine for splicing a replacement web 9 to an expiring web 8 comprises a work-table 4 over which is disposed a pair of vertically displaceable gripper bars 10, 11 between which is located a cutting unit 5 arranged for displacement transversely of the travel of the web 8 and a splicing bar 6 arranged for vertical displacement, the machine further comprising a threading bar 15 to which is fixed the leading end of the web 9 and which is connected to an endless chain 17 guided in the vertical plane and externally around the machine by pairs of sprocket wheels 18. In operation when the web 8 expires the leading edge of the web 9 guided over roller 22 supported by movable endless chains 21 is attached to the bar 15 which is moved over the table 4 and the gripper bars 10, 11, including an auxiliary gripper bar 13 are lowered to grip the leading and trailing ends of webs 8, 9, whereupon the webs are cut by the cutter 5 and a bonding strip (35, Fig. 3a) which is placed over the cut is bonded by the splicing bar 6. The bar 15 is then returned by the chains 17 to its initial position.
Patent GB-1001382-A (GB)
Title: Improvements in or relating to duplicating machines
Inventor: FORD RONALD MAX
IPC: B41L11/08
Filed: 1961-10-27
Abstract: 1,001,382. Duplicating machines. FRANK R. FORD Ltd. Oct. 29, 1962 [Oct. 27, 1961], No. 46270/64. Divided out of 1,001,381. Heading B6C. The subject-matter of this Specification is substantially the same as that described in Specification 100,138 but the claims are concerned with the intermediate positioning of the trays 14 and 15 (see Fig. 4 of Specification 100,138) by which the parts of the moistening device and the printing couple carried by the trays are rendered accessible for servicing.
Patent GB-464132-A (GB)
Abstract: 464,132. Registering-apparatus. SOC. ANON. DES ETABLISSEMENTS CUTTAT. Aug. 6, 1935, No. 22242. Convention date, Jan. 18. [Class 106 (i)] A registering mechanism of the Odhner-type applicable particularly to a stamping and franking machine, has cam surfaces formed on the cam disc and pin wheel and a pawl device co-operating with the cams and serving to lock the numeral wheels except at the time when the wheels are being actuated by the projected pins. The franking machine is similar to that described in Specification 464,133, [Group XVI]. Each cam disc 19, Fig. 1, has a periphery with portions 51, a, of different radii forming one of the cam surfaces and each pin wheel 33, Fig. 3, has a peripheral cam surface 52 coextensive with the portion 51 of the disc 19. A cam slot 26 in each disc 19 engages projections on sliding teeth 31<1>... 319 mounted in radial slots in the wheel 33. The wheel 33 has pivotally mounted therein a tooth 34 for the purpose of effecting transfer and on the same axis 56 is mounted a projection 54. To prevent rotation of the numeral wheels 41 otherwise than by means of the projected or operative teeth of the pin wheels a spring controlled detent 44 is provided for each denomination which bears on the teeth 40 of the numeral wheel and engages a pawl or lever 47 that rests on the cam surfaces of the cam disc and pin wheel, the lever 47 having two beaks 48, 49, for this purpose as .shown in Fig. 4. When the pins are projected a gap is formed between the cam surfaces a and 52. so that the beaks can enter the recess to free the detent 44. At all other times the cam surfaces form a continuous contour to support the lever 47. The surface 54 forms a support for the beak 48 when the transfer tooth is in inoperative position.
Patent GB-1068038-A (GB)
Title: Process for the production of copper
IPC: C22B15/14
Filed: 1963-11-25
Abstract: Sponge copper is produced by heating a reaction mixture consisting of copper oxide, carbon, a copper chloride salt and an alkali metal or alkaline earth metal chloride; the ratios of the reactants are between 2 and 2.5 moles of copper oxide per mole of carbon, between 2 and 2.5 moles of the total of the copper chloride salt and the alkali metal or alkaline earth metal chloride per mole of carbon and one mole or slightly in excess of one mole of alkali metal or alkaline earth metal chloride per mole of carbon.  The term "copper chloride salt" includes any compound which will yield copper chloride on heating.
Patent GB-1294270-A (GB)
Title: Cooking utensil
Inventor: LUDENA OCTAVIANO ROA
IPC: A47J27/04
Filed: 1971-10-07
Abstract: 1294270 Cooking vessel O R LUDENA 7 Oct 1971 46762/71 Heading A4A A cooking utensil comprises an outer vessel 1 having an inner peripheral lip 6, an inner cooking vessel 2 perforated at the upper portion of its side wall and provided with an upper peripheral lip 8 and a peripheral shoulder 5 to rest on the lip 6, a water-holding space between the inner and outer vessels, a steaming plate 3 perforated at the lower part of its side wall and provided with a peripheral shoulder 7 which rests on the lip 8 of the inner vessel and a cover 4 which closes the outer vessel and encloses the inner vessel and steaming plate. The steaming plate may support additional cooking vessels 15. As the water 9 is heated, the steam produced passes through apertures 11 in the upper part of the wall of the inner vessel and through holes 12 around the base of the side-wall of the steaming plate.
Patent GB-1215509-A (GB)
Title: Laminated seal material
Inventor: BOGAERT PIERRE EMMANUEL EUGENE
IPC: E06B3/62
Filed: 1968-10-02
Abstract: 1,215,509. Resilient cellular laminate. P. E. E. J. BOGAERT. 2 Oct., 1968 [11 Oct., 1967], No. 46787/68. Heading B5N. A laminated sealing material comprises at least two resilient cellular layers which are in contact along an undulating cross-section, one layer being closed-cell and the other open-cell, and the closed-cell layer being of higher resistance to compression than the open-cell layer. Two closed-cell layers may enclose an open-cell layer. The open-cell may comprise polyurethane and the closed-cell layer may comprise foam rubber, polyethylene, polyurethane, polyvinyl chloride, polystyrene or polyester. The layers may contact along a sinusoidal or crenellated cross-section: in one embodiment an open-cell layer is disposed between two closed-cell layers, both crosssections being sinusoidal and 90 degrees out of phase. Under compression, the thinner portions of the open-cell layer are less compressed and able to transmit moisture.
Patent GB-1117808-A (GB)
Title: Roll tape measures
IPC: G01B3/10
Filed: 1966-10-20
Abstract: 1,117,808. Tape measures. G. LEIPOLD. Oct. 20,1966 [June 13, 1966], No. 46959/66. Heading G1M. The crank handle of a tape measure is loaded by a Z-shaped spring 13 which when the handle is moved to the operative position by a plunger 9 tends to facilitate movement of the handle. A further spring 8 holds the handle in the closed position. In a modification, the Z-shaped spring is replaced by a curved leaf spring fixed at one end to the drum of the tape measure. In a further arrangement the spring 13 is replaced by a spring urged pawl. Moreover, the free end of the Z-spring 13 may be attached by a lever to the plunger.
Patent GB-1093185-A (GB)
Title: Improvements in or relating to electrolytic cells and cathodic structures therefor
IPC: C25C3/08
Filed: 1964-11-18
Abstract: An electrolytic cell for producing aluminium comprises a shell 18 defining a receptacle, at least one anode 36 e.g. of carbon and a catholic structure 30 disposed within the receptacle e.g. on a carbon bottom 26 and intended to be exposed to molten cell constituents 33, e.g. molten cryolite with dissolved alumina and other materials such as fluorspar, the structure including at least one drained molten-constituent contacting surface 27 formed from a mixture wettable by molten aluminium, having a cathodic expansion <PICT:1093185/C6-C7/1> of less than 3% and comprising at least 5% "free" carbon with a refractory hard substance selected from the carbides, borides, silicides and nitrides of the transition metals in the 4th to 6th Groups of the Periodic System of elements (excluding Cr), particularly the borides and/or carbides of Ti and/or Zr e.g. 70% TiB2 and 30% TiC, with or without one or more of aluminium borides, nitrides and carbides, and compounds of rare earth metals and Cr.  The "free" carbon may be provided by petroleum coke or other carbonaceous material calcined at least 1500 DEG C.  The above mixture, to which may be added oxides such as TiO2, ZrO2 and 10-20% carbonaceous binder, may be baked e.g. at 900-1800 DEG C. either in situ in the cell or after shaping to provide a sloping surface and prior to disposing in the cell.  A molten aluminium collecting well 32 may be included in the receptacle.
Patent GB-1509130-A (GB)
Title: Electrical roll capacitor with contact breaking safety device
IPC: H01G2/14
Filed: 1976-11-11
Abstract: 1509130 Capacitors INTERNATIONAL STANDARD ELECTRIC CORP 11 Nov 1976 [17 Feb 1976] 46976/76 Heading H1M Heat shrinking of the dielectric tape of capacitor roll 1 in its longitudinal direction on overheating of the capacitor causes radial contraction of the roll and deformation of heatsoftenable core 2, which deformation is used to break current-carrying conductor 4. Conductor 4 may be anchored at one or both ends of the core or embedded in the material thereof (Fig. 4, not shown).
Patent GB-1367293-A (GB)
Title: Piston and cylinder assemblies
IPC: F15B15/22
Filed: 1971-10-13
Abstract: 1367293 Hydraulic actuators INTERNATIONAL HARVESTER CO 13 Oct 1971 [13 Oct 1970] 47642/71 Heading F1D An hydraulic actuator comprises a piston 26 which, near the end of each stroke in a cylinder 12, contacts and displaces a member 50 to a position obturating an exhaust port 30 or 32, whereby the piston is cushioned by further exhaust having to flow through grooves in the surface of the member 50 and/or holes therethrough. Each member 50 is urged by a spring 55 to a position opening its port 30 or 32 and is retained in a groove 44 formed in a respective end cap 16 having a flow passage 45. The grooved arcuate surface of the member is complementary with respect to the cylinder 12 and the grooves extend across its full width. In an alternative construction, Figs. 1 and 2 (not shown), the obturating member 50 is in the form of a ring (36) provided with peripheral grooves (40), the ring being supported by a coiled spring (34) which allows axial and radial displacement of the ring into a position obturating its exhaust port.
Patent GB-1201560-A (GB)
Title: New composite chromium complex azo dyes, dye compositions containing them, processes for colouring polyamide materials therewith and the material dyed
IPC: C09B45/06
Filed: 1968-10-08
Abstract: 1,201,560. Metallized dye mixtures. J. R. GEIGY A.G. 8 Oct., 1968 [9 Oct., 1967], No. 47645/68. Heading C4P. The invention comprises mixtures of metallized azo dyes of formulµ in a weight ratio of 4: 1 to 1: 4, wherein A and B each represent a 1,2-naphthylene radical, D 1  and D 2  each represent a phenyl or an α- or #- naphthyl radical, X 1  represents hydrogen, nitro, halogen, or, if X 2  represents hydrogen, X 1  represents -SO 3 -M<SP>+</SP>, X 2  represents -SO 3 <SP>-</SP>M <SP>+</SP>, or, if X 1  represents -SO 3 <SP>-</SP>M<SP>+</SP>, X 2  represents hydrogen, X 3  represents hydrogen, nitro, halogen or -SO 3 <SP>-</SP>M<SP>+</SP>, X 4  and W each represent hydrogen or -SO 3 <SP>-</SP>M<SP>+</SP> with the proviso that two of X 3 , X 4  and W must represent -SO 3 -M<SP>+</SP>, W being linked to any of the naphthalene radicals or to D 2 , Y 1  and Y 2  each represent hydrogen or they each represent C 1-4  alkyl, C 1-4  alkoxy or #-hydroxyethoxy linked in 4-position, with the proviso that, when Y 1  and/or Y 2  represent hydrogen, D 1 -N=N- and/or D 2 -N=N- are linked in 4-position to the benzene nucleus G 1  or G 2 , and when Y 1  and/or Y 2  represent C 1-4  alkyl, C 1-4  alkoxy or #-hydroxyethoxy linked in 4- position, D 1 -N=N- and/or D 2 -N=N- are linked in 5-position to the benzene nucleus G 1  or G 2 , respectively, M<SP>+</SP> represents one equivalent of a non-colour-imparting cation, and any substituent of the radicals D 1  and D 2 , in the case of the latter apart from any group W present therein, is selected from halogen, cyano, nitro, C 1-4  alkyl, trifluoromethyl, C 1-4  alkoxy, C 1-4  alkylthio, phenyloxy, phenylthio, C 1-5  alkanoyl, C 1-4  alkyl-sulphonyl, phenyl sulphonyl, or a sulphamoyl group the nitrogen atom of which is unsubstituted or substituted by one or two substituents selected from aliphatic, cycloaliphatic, mononuclear carbocyclic-aromatic or araliphatic radicals. The dye mixtures may be prepared by reacting a 1: 1-chromium complex of an appropriate monoazo dye with a mixture of appropriate metallized disazo dyes. The dye mixtures may be used to colour natural and synthetic polyamide materials, particularly wool, and leather in black shades.
Patent GB-1439059-A (GB)
Title: Controllable display apparatus
IPC: G09B29/14
Filed: 1973-10-15
Abstract: 1439059 Geographical clocks N SENGER 15 Oct 1973 [17 Oct 1972 8 Sept 1973] 47999/73 Heading G3T [Also in Division G5] A changing display of the areas of the world which are in daylight or darkness is provided by selective energization of electronic elements, e.g. light emitting diodes or liquid crystal elements, to control the illumination of a screen in the form of a transparent map of the world. The display may also show the weather and may be in colour, or may show other additional information such as traffic movements, and additional markings or data may be projected on the screen. Switching of the elements is controlled by a magnetic tape reader, an electronic clock and memory, or by clockwork.
Patent GB-1338267-A (GB)
Title: Vane assemblies for use in rotary devices
IPC: G01F15/00
Filed: 1971-10-19
Abstract: 1338267 Rotary positive displacement machines CONOFLOW EUROPA B V 19 Oct 1971 [23 Oct 1970] 48469/71 Heading F1F The diametral vane assemblies of a rotary sliding vane machine are each made up of a single rod 3 the ends of which are secured by screws 7 in the jaws of clamps 5 mounted in bores within vanes 2. The vanes 2 may be repositioned on the rod 3 to compensate for wear. In assembling, one vane 2 is accurately located on one end of the rod 3 by a stop pin 8, the other vane being located using a jig.
Patent GB-1173015-A (GB)
Title: Improvements in or relating to the Production of Metals
Inventor: SMITH HUGH ROSCOE
IPC: C22B9/14
Filed: 1966-11-01
Abstract: 1,173,015. Producing metals and alloys. AIR REDUCTION CO. Inc. Nov. 1, 1966, No.48826/66. Heading C7D. Highly purified Nb, Ta, Mo, W, Hf, Zr, Re or alloy thereof is produced by reacting an oxide thereof with a reducing agent consisting of Si or metal more volatile than the metal to be produced, the reaction being carried out in two regions of an electron beam furnace respectively at pressures of 1-500 microns Hg and not more than 2 microns Hg and at elevated temperature, the oxides formed by the reaction being more volatile than the metal to be produced in the conditions obtaining so that they may be vaporized from the metal allowing the latter to be recovered in purified form. Raw material for the process may be pure oxide, ore concentrate, or a crude metal product obtained from a conventional reduction process. Suitable reducing agents apart from silicon are aluminium and rare earth metals such as cerium and lanthanum. As shown, the process may be carried out in an electron beam furnace having three regions 18, 20, 22. Materials 16 first enter region 18 which is held at a pressure of 1-500 microns Hg and in which a substantial portion of volatiles are vaporized and condensed on rotary condenser 19; heating of the material to e.g. 1800‹C. is effected by electron beam guns in housing 29. The melt then flows into region 20 which is held at a pressure up to 2 microns Hg and in which remaining volatiles are vaporized and condensed on rotary condenser 39; heating of the melt to e.g. 2600‹ -3000‹ C., is effected by electron beam guns in housing 38. Pure metal is solidified to ingot form in mechanism 46 in region 22. The examples relate to the production of Nb, Ta and 50Nb-50Ta alloy.
Patent GB-1152349-A (GB)
Title: Seat Hinge Fitting
IPC: B60N2/23
Filed: 1966-11-01
Abstract: 1,152,349. Adjustable seats. RECARO A.G. 1 Nov., 1966 [5 Nov., 1965], No. 48839/66. Heading A4J. [Also in Division E2] In a hinge fitting, for the angularly adjustable backrest of a vehicle seat, resilient means retains the interlocking parts, such as screw-threaded stay 6, 8 and U- shaped nut 11, from being inadvertently disengaged. As shown, sleeve 8 is retained by spring clips 29, while its screw-thread meshes with projections on nut 11. On rotating the sleeve 8, by means of knob 10, rod 6 is displaced axially to vary the inclination of the backrest. To free the backrest the sleeve 8 is pulled out of the nut 11 against the action of clip 29. In another form (Figs. 1-3, not shown), a resiliently urged slidably mounted pin (13) projects into the top part of the nut 11 and a locking lever (17) can be moved to a position in which a spring (20) prevents the retraction of the pin (13).
Patent GB-1244968-A (GB)
Title: Improvements in or relating to guttering systems
Inventor: DAVIDSON ALASTAIR RITCHIE
IPC: E04D13/068
Filed: 1968-10-16
Abstract: 1,244,968. Guttering. REED INTERNATIONAL Ltd. 14 Nov., 1969 [16 Oct., 1968], No. 49026/68, Heading E1B. A gutter clip 7 for holding gutter sections 4 in a gutter bracket 1 comprises limbs 9 and 10 interconnected by flanges 13 which have a double stepped recess the steps of which engage the bracket and the gutter section respectively to press the gutter against a sealing strip 5 held in grooves in the brackets. The bracket has lugs 3 for attachment to a wall. The sealing strip may be hollow and may be formed with ribs. The bracket, clips and gutter are made of synthetic plastics.
Patent GB-1236799-A (GB)
Title: Improvements relating to breast-cups
IPC: A61F13/14
Filed: 1968-10-16
Abstract: 1,236,799. A breast cup. LA. CE. GO. S.r.l. 16 Oct., 1968 [16 Nov., 1967], No. 49028/68. Heading A5R. A breast cup, particularly suitable for a nursing mother, comprises, proceeding from the outer surface to the inner surface, one or more layers of wadding, a layer of polythene sheet, a plurality of layers of wadding compressed to a cup shape and a layer of gauze.